Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hidetoshi Satake | Hitachi Construction Machinery Co. | 9 |
| 2 | Yukinori Aishima | Hitachi | 2 |
| 3 | Shuuichi MEGURIYA | Hitachi Construction Machinery Co. | 1 |
| 3 | Kazuhiko Mizoguchi | Hitachi Construction Machinery Co. | 1 |